mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-12 01:12:12 +00:00
128 lines
3.9 KiB
C++
128 lines
3.9 KiB
C++
#pragma once
|
|
|
|
#include <Poco/Net/HTTPRequestHandlerFactory.h>
|
|
#include <Poco/Net/HTTPServerRequest.h>
|
|
#include <Poco/Net/HTTPServerResponse.h>
|
|
#include <common/logger_useful.h>
|
|
#include "IServer.h"
|
|
#include "HTTPHandler.h"
|
|
#include "InterserverIOHTTPHandler.h"
|
|
#include "NotFoundHandler.h"
|
|
#include "PingRequestHandler.h"
|
|
#include "PrometheusRequestHandler.h"
|
|
#include "ReplicasStatusHandler.h"
|
|
#include "RootRequestHandler.h"
|
|
|
|
|
|
namespace DB
|
|
{
|
|
|
|
/// Handle request using child handlers
|
|
class HTTPRequestHandlerFactoryMain : public Poco::Net::HTTPRequestHandlerFactory
|
|
{
|
|
private:
|
|
using TThis = HTTPRequestHandlerFactoryMain;
|
|
|
|
IServer & server;
|
|
Logger * log;
|
|
std::string name;
|
|
|
|
std::vector<std::unique_ptr<Poco::Net::HTTPRequestHandlerFactory>> child_handler_factories;
|
|
|
|
public:
|
|
HTTPRequestHandlerFactoryMain(IServer & server_, const std::string & name_);
|
|
|
|
Poco::Net::HTTPRequestHandler * createRequestHandler(const Poco::Net::HTTPServerRequest & request) override;
|
|
|
|
template <typename T, typename... TArgs>
|
|
TThis * addHandler(TArgs &&... args)
|
|
{
|
|
child_handler_factories.emplace_back(std::make_unique<T>(server, std::forward<TArgs>(args)...));
|
|
return this;
|
|
}
|
|
};
|
|
|
|
|
|
/// Handle POST or GET with params
|
|
template <typename HandleType>
|
|
class HTTPQueryRequestHandlerFactory : public Poco::Net::HTTPRequestHandlerFactory
|
|
{
|
|
private:
|
|
IServer & server;
|
|
|
|
public:
|
|
HTTPQueryRequestHandlerFactory(IServer & server_) : server(server_) {}
|
|
|
|
Poco::Net::HTTPRequestHandler * createRequestHandler(const Poco::Net::HTTPServerRequest & request) override
|
|
{
|
|
if (request.getURI().find('?') != std::string::npos || request.getMethod() == Poco::Net::HTTPRequest::HTTP_POST)
|
|
return new HandleType(server);
|
|
return nullptr;
|
|
}
|
|
};
|
|
|
|
|
|
/// Handle GET or HEAD endpoint on specified path
|
|
template <typename TGetEndpoint>
|
|
class HTTPGetRequestHandlerFactory : public Poco::Net::HTTPRequestHandlerFactory
|
|
{
|
|
private:
|
|
IServer & server;
|
|
public:
|
|
HTTPGetRequestHandlerFactory(IServer & server_) : server(server_) {}
|
|
|
|
Poco::Net::HTTPRequestHandler * createRequestHandler(const Poco::Net::HTTPServerRequest & request) override
|
|
{
|
|
auto & method = request.getMethod();
|
|
if (!(method == Poco::Net::HTTPRequest::HTTP_GET || method == Poco::Net::HTTPRequest::HTTP_HEAD))
|
|
return nullptr;
|
|
|
|
auto & uri = request.getURI();
|
|
bool uri_match = TGetEndpoint::strict_path ? uri == TGetEndpoint::path : startsWith(uri, TGetEndpoint::path);
|
|
if (uri_match)
|
|
return new typename TGetEndpoint::HandleType(server);
|
|
|
|
return nullptr;
|
|
}
|
|
};
|
|
|
|
|
|
struct RootEndpoint
|
|
{
|
|
static constexpr auto path = "/";
|
|
static constexpr auto strict_path = true;
|
|
using HandleType = RootRequestHandler;
|
|
};
|
|
|
|
struct PingEndpoint
|
|
{
|
|
static constexpr auto path = "/ping";
|
|
static constexpr auto strict_path = true;
|
|
using HandleType = PingRequestHandler;
|
|
};
|
|
|
|
struct ReplicasStatusEndpoint
|
|
{
|
|
static constexpr auto path = "/replicas_status";
|
|
static constexpr auto strict_path = false;
|
|
using HandleType = ReplicasStatusHandler;
|
|
};
|
|
|
|
using HTTPRootRequestHandlerFactory = HTTPGetRequestHandlerFactory<RootEndpoint>;
|
|
using HTTPPingRequestHandlerFactory = HTTPGetRequestHandlerFactory<PingEndpoint>;
|
|
using HTTPReplicasStatusRequestHandlerFactory = HTTPGetRequestHandlerFactory<ReplicasStatusEndpoint>;
|
|
|
|
template <typename HandleType>
|
|
HTTPRequestHandlerFactoryMain * createDefaultHandlerFatory(IServer & server, const std::string & name)
|
|
{
|
|
auto handlerFactory = new HTTPRequestHandlerFactoryMain(server, name);
|
|
handlerFactory->addHandler<HTTPRootRequestHandlerFactory>()
|
|
->addHandler<HTTPPingRequestHandlerFactory>()
|
|
->addHandler<HTTPReplicasStatusRequestHandlerFactory>()
|
|
->addHandler<HTTPQueryRequestHandlerFactory<HandleType>>();
|
|
return handlerFactory;
|
|
}
|
|
|
|
|
|
}
|